如果你在前进时按下按钮，它会侧翻。

If you press the button while moving forward, it will cartwheel.

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拍照时同时按下两个相机的快门。

To take a picture, press both shutter buttons at the same time.

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它要求在第一个屏幕时按下返回按钮退出应用程序。

This requires that the back button exits the application if on the first screen.

youdao

GDP Furthermore, Reagan reduced spending as a proportion of gross domestic product and Clinton reduced it even further You have a bipartisan achievement which alas in the current circumstances it slips.

另外，里根根据,按比例削减了政府开支,到克林顿执政时，开支进一步减少了,这是两党共同努力的结果,不过可惜如今已不复存在了。

斯坦福公开课 - 经济学课程节选